This site is a static rendering of the Trac instance that was used by R7RS-WG1 for its work on R7RS-small (PDF), which was ratified in 2013. For more information, see Home.
Source for wiki HashInIdentifiers version 1
Are identifiers of the form `a#b` permitted?
Yes: Racket, MIT, Gambit, Chicken, Scheme48/scsh, Guile, SISC, SCM, JScheme, STklos, Shoe, !MiniScheme, !TinyScheme, S7, SIOD, BDC, XLisp, Elk, Llava, Sizzle, !FemtoLisp, Dfsch, Inlab, Sagittarius, Picrin, Chibi
No: Gauche, Bigloo, Kawa, Chez, Vicare, Larceny, Ypsilon, Mosh, !IronScheme, NexJ, KSi, !SigScheme, Scheme 9, RScheme, Unlikely, Rep, Schemik, SXM, Foment, Owl Lisp